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Using Vault for your Nodejs Secrets
- 1. Using vault foryour NodeJS Secrets Taswar Bhatti – Solutions Architect Gemalto
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- 3. About me • TaswarBhatti (Microsoft MVP) • @taswarbhatti • http://taswar.zeytinsoft.com • Gemalto (System Architect)
- 4. So what aresecrets? • Secrets grants you AuthN or AuthZ to a system • Examples • Username & Passwords • Database credentials • API Token • TLS Certs
- 5. Secret Sprawl • Secretsends up in • Source Code • Version Control Systems (Github, Gitlab, Bitbucket etc) • Configuration Management (Chef, Puppet, Ansible etc)
- 6. Issues • How dowe know who has access to those secrets • When was the last time they accessed it? • What if we want to change/rotate the secrets
- 7. Desire secrets • Encryptionin rest and transit • Only decrypted in memory • Access control • Rotation & Revocation
- 8. Secret Management -Vault • Centralized Secret Management • Encrypted at rest and transit • Lease and Renewal • ACL • Audit Trail • Multiple Client Auth Method (Ldap,Github, approle) • Dynamic Secrets • Encryption as a Service
- 9. Dynamic Secrets • Allowsone to lease a secret for a period of time e.g 2 hrs • Generates on demand and unique for each user/consumption • Audit trail
- 10. Secure Secrets • AES256 with GCM encryption • TLS 1.2 for clients • No HSM is required
- 11. Unsealing the Vault •Vault requires encryption keys to encrypt data • Shamir Secret Key Sharing • Master key is split into multiple keys
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- 13. Unseal • Unseal Key1: QZdnKsOyGXaWoB2viLBBWLlIpU+tQrQy49D+Mq24/V0B • Unseal Key 2: 1pxViFucRZDJ+kpXAeefepdmLwU6QpsFZwseOIPqaPAC • Unseal Key 3: bw+yIvxrXR5k8VoLqS5NGW4bjuZym2usm/PvCAaMh8UD • Unseal Key 4: o40xl6lcQo8+DgTQ0QJxkw0BgS5n6XHNtWOgBbt7LKYE • Unseal Key 5: Gh7WPQ6rWgGTBRSMecuj8PR8IM0vMIFkSZtRNT4dw5MF • Initial Root Token: 5b781ff4-eee8-d6a1-ea42-88428a7e8815 • Vault initialized with 5 keys and a key threshold of 3. Please • securely distribute the above keys. When the Vault is re-sealed, • restarted, or stopped, you must provide at least 3 of these keys • to unseal it again. • Vault does not store the master key. Without at least 3 keys, • your Vault will remain permanently sealed.
- 14. How to unseal •vault unseal -address=${VAULT_ADDR} QZdnKsOyGXaWoB2viLBBWLlIpU+tQrQy49D+Mq24/V0B • vault unseal -address=${VAULT_ADDR} bw+yIvxrXR5k8VoLqS5NGW4bjuZym2usm/PvCAaMh8UD • vault unseal -address=${VAULT_ADDR} Gh7WPQ6rWgGTBRSMecuj8PR8IM0vMIFkSZtRNT4dw5MF
- 15. Writing Secrets • vaultwrite -address=${VAULT_ADDR} secret/hello value=world • vault read -address=${VAULT_ADDR} secret/hello • Key Value • --- ----- • refresh_interval 768h0m0s • Value world
- 16. Policy on secrets •We can assign application roles to the policy path "secret/web/*" { policy = "read" } • vault policy write -address=${VAULT_ADDR} web-policy ${DIR}/web-policy.hcl
- 17. Reading secrets basedon policy • vault read -address=${VAULT_ADDR} secret/web/web-apps • vault read -address=${VAULT_ADDR} secret/hello • Error reading secret/hello: Error making API request. • URL: GET http://127.0.0.1:8200/v1/secret/hello • Code: 403. Errors: • * permission denied
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- 19. Demo Docker EnvironmentVAR • Issues with env variables
- 20. Mount Temp FileSystem into App • docker run –v /hostsecerts:/secerts …. • To mitigate reading from Env • Store your wrap token in the filesystem to use with vault • Have limit time on wrap token
- 21. Wrap Token forApp Secrets • Limit time token • Used to unwrap some secrets • vault read -wrap-ttl=60s -address=http://127.0.0.1:8200 secret/weatherapp/config • Key Value • --- ----- • wrapping_token: 35093b2a-60d4-224d-5f16-b802c82de1e7 • wrapping_token_ttl: 1m0s • wrapping_token_creation_time: 2017-09-06 09:29:03.4892595 +0000 UTC • wrapping_token_creation_path: secret/weatherapp/config
- 22. App Roles • Allowsmachines or apps to authenticate with Vault • Using a role_id and secret_id as credentials • Assign polices to the app • Once logged in you get back a token to get secrets
- 23. Demo App UsingNode
- 24. Kubernetes with Vault •Read Service Account JWT • App Sends Jwt and Role Name to Vault • Vault checks the signature of Jwt • Sends to TokenReviewer API • Vault sends back valid token for app
- 25. Thankyou • Contact me(taswar.bhatti@gemalto.com) • @taswarbhatti